super fast glass passivated rectifier e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 50 to 1000 volts sf21g thru sf28g current 2.0 ampere features super fast switching glass passivated chip junction low power loss, high efficiency low leakage high surge capacity high temperature soldering guaranteed 260 /10 seconds, 0.375 (9.5mm) lead length mechanical data case: transfer molded plastic epoxy: ul94v-0 rate flame retardant polarity: color band denotes cathode end lead: plated axial lead, solderable per mil-std-202e method 208c mounting position: any weight: 0.014ounce, 0.39 gram maximum ratings and electrical characteristics ratings at 25 ambient temperature unless otherwise specified single phase, half wave, 60hz, resistive or inductive load for capacitive load derate current by 20% symbols sf 21g sf 22g sf 23g sf 24g sf 25g sf 26g sf 27g sf 28g unit maximum repetitive peak reverse voltage v rrm 50 100 150 200 300 400 500 600 volts maximum rms voltage v rms 35 70 105 140 210 280 350 420 volts maximum dc blocking voltage v dc 50 100 100 200 300 400 500 600 volts maximum average forward rectified current 0.375 (9.5mm) lead length at t a =55 i (av) 2.0 amps peak forward surge current 8.3ms single half sine wave superimposed on rated load (jedec method) i fsm 50 amps maximum instantaneous forward voltage at 2.0a v f 0.95 1.25 1.7 volts t a = 25 5.0 maximum dc reverse current at rated dc blocking voltage at t a = 125 i r 50 a maximum reverse recovery time test conditions l f = 0.5a, l r = 1.0a, l rr =0.25a t rr 35 ns typical junction capacitance (measured at 1.0mhz and applied reverse voltage of 4.0v) c j 30 20 pf typical thermal resistance (note 1) r ja 40 /w operating junction temperature range t j (-55 to +150) storage temperature range t stg (-55 to +150) notes: 1. thermal resistance from junction to ambient with 0.375 (9.5mm) lead length, pcb mounted. dimensions in inches and (millimeters) dia. .140(3.6) .104(2.6) .300(7.6) .230(5.8) 1.0(25.4) min. 1.0(25.4) min. .034(0.9) .028(0.7) dia. do-15
super fast glass passivated rectifier e-mail: sales@cnmic.com web site: www.cnmic.com voltage range 50 to 1000 volts sf21g thru sf28g current 2.0 ampere 3.0 rating and chracteristic curves sf21g thru sf28g fig.2-maximum non-repetitive peak 100 t jmax 40 20 10 2 70 50 30 1 c u r r e n t , ( a ) p e a k f o r w a r d s u r g e number of cycles at 60 hz 8.3ms single half sine-wave (jedec method) t= forward surge current derating curve fig.1-typical forward current 150 175 125 75 100 2.0 50 1.0 0 0 single phase inductive load half wave 60hz resistive or 25 a v e r a g e f o r w a r d c u r r e n t , ( a ) ambient temperature, ( c) 0.375 (9.5mm) lead length 468 1 cycle 60 80 55 60 40 20 10 100 j t =25 c 80 40 100 ( a ) 1.2 j t =25 c 0.8 0.4 1% duty cycle pulse width=300us ( a ) ( a ) 100 10 instantaneous forward voltage,(v) fig.5-typical junction capacitance 0.1 1.0 reverse voltage,(v) vsig=50mvp-p j u n c t i o n c a p a c i t a n c e , ( p f ) i n s t a n t a n e o u s f o r w a r d c u r r e n t , i n s t a n t a n e o u s r e v e r s e c u r r e n t , 1.6 f=1mhz t =25 c 1.0 1.010100 percent of rated peak reverse voltage,(%) j 10 1.0 0.1 0.01 0.001 0.61.01.41.8 60 20 0 120140 j 50/100ns/cm set time base for 0 -1.0a -0.25a +0.5a (+) (-) (-) (approx.) (+) 25 vdc 10 noninductive noninductive 50 (note 1) oscilloscope (note 2) generatior pulse d.u.t. inductive non 1 2.rise time=10ns max. source impedance= 50 ohms 1 magohm. 22pf notes : 1.rise time=7ns mas. input impedance= reverse recovery time characteristic f1g.6-test circuit diagram and 1cm trr 0.1 10 forward characteristics fig.3-typical instantaneous t =100 c s f 2 1 g - 2 4 g s f 2 5 g - 2 6 g s f 2 7 g - 2 8 g sf21g-sf24/g sf25g-sf28/g characteristics fig.4-typical reverse
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